Retaining wall block



FIG. 1 is a perspective view as seen from the top, front and one side of a retaining wall block showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view, as seen from the right side of FIG. 2 thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view as seen from the side opposite that shown in FIG. 3 thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a retaining wall block, as shown and described. 